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In this conversation, I'm sharing the most important things technicians need to know to become experts at supermarket refrigeration. These include mastering the fundamentals like understanding the piping and instrumentation diagram (P&ID), wiring diagrams, IO schedules, and refrigeration schedules. I also discuss the process I use to help refrigeration technicians level up faster and become confident problem solvers, which in turn dramatically reduces troubleshooting time, cuts down on callbacks, and helps refrigeration techs approach service calls with a completely different mindset.

In this episode, we discuss:

(3:10) Diagnosing CO2 gas cooler pressure issues using trend graphs

(7:05) How technicians are learning to think differently

(11:20) Four key documents every refrigeration tech must understand

(16:15) Why data, trend graphs, and valve percentages reveal the real problem

(21:30) The problem with traditional training

(26:00) Continuous microlearning

(31:45) Strong troubleshooting fundamentals

(36:30) Building a global community of refrigeration technicians

(41:20) How to take on bigger CO2 and supermarket challenges

Helpful Links & Resources:

Episode 251. Supermarket Refrigeration Service and Troubleshooting Tips

Episode 299. Basic Refrigeration 101

Episode 332. 7 Transcritical CO2 Refrigeration Service & Maintenance Tips